US3901039A - Apertured sleeve-shaped members for use in carrying out roof-bolting by means of bolts fastened in bore holes - Google Patents

Apertured sleeve-shaped members for use in carrying out roof-bolting by means of bolts fastened in bore holes Download PDF

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Publication number
US3901039A
US3901039A US448043A US44804374A US3901039A US 3901039 A US3901039 A US 3901039A US 448043 A US448043 A US 448043A US 44804374 A US44804374 A US 44804374A US 3901039 A US3901039 A US 3901039A
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US
United States
Prior art keywords
sleeve
bore
slit
shaped member
bore holes
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US448043A
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English (en)
Inventor
Alfred Ingevald Lundkvist
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LUNDKVIST ALFRED
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LUNDKVIST ALFRED
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/021—Grouting with inorganic components, e.g. cement

Definitions

  • the present invention relates to an apertured sleeveshaped member made from a relatively rigid but resilg? g g i g ient material and provided with a longitudinal slit 15 which permits the diameter of the member to be var- 1 0 108 ied by compression.
  • the sleeve-shaped mamber is adapted to be filled with cement mortar and used in References Cited gosrilglting for insertion Into bore holes of d1fferent UNITED STATES PATENTS 982,380 H1911 Martin 52/170 3 Claims, 4 Drawing Figures APERTURED SLEEVE-SHAPED MEMBERS FDR USE IN CARRYING OUT ROQF-BOLTING BY MEANS OF BOLTS F ASTENED IN BORE HOLES
  • the present invention relates to improved means for carrying out roof-bolting in a mine, shaft or similar cavity in the rock and, more particularly, provides an improved apertured sleeve-shaped member for use in carrying out such roof-bolting by means of bolts fastened in bore holes in the rock.
  • apertured tube or sleeve has also been made in the form of two mating halves which after being filled with cement mortar and assembled must be tied together by means of wire to form a unit.
  • the principal object of the present invention is to provide an apertured sleeve-shaped member by which the above-mentioned drawback is avoided.
  • Another object of the invention is to provide an apertured sleeve-shaped member as defined by which the handling thereof on the site of application is simplified.
  • Still another object of the invention is to provide a tubular or sleeve-shaped member of the kind stated as an integral unit of appropriate rigidity although made from thinner sheet material or more resilient material than prior tubular members for similar applications.
  • an apertured sleeve-shaped member which is made from a relatively rigid but resilient material, and the circumferential surface of which is interrupted by a longitudinal relatively broad slit through which the cement mortar can be introduced into the sleeve-shaped member and which on exercising a radial pressure on the member on both sides of the said slit permits a variation of the diameter of the member while maintaining a desired substantially circular cross-section as well as an adaptation thereof to bore holes of different sizes, possibly by causing the slit edges to overlap, the set diameter being fixable by means of fixing members, e.g. in the form of thin rings, capable of being mounted on the sleeveshaped member.
  • the width of the slit has to be of such size that the sleeve-shaped member can be filled with mortar composition without difficulty. Before comprising the sleeve-shaped member said width preferably amounts to at least about one forth of the sleeve circumference.
  • this dimension may be fixed, for example, by threading thin sheet metal of plastic rings onto the sleeve member.
  • the fixing may also take place otherwise for example by tieing with wire or by hooking on suitably designed clamps provided with hooks, or the like.
  • FIG. 1 is perspective view of a sleeve-shaped member constructed according to the invention
  • FIGS. 2 and 3 are end views of the sleeve member after compressing it to different smaller diameters
  • FIG. 4 is a longitudinal sectional view through a bore in the roof of an excavation, showing the inventions in use.
  • the sleeve-shaped member 1 which may have a length of several meters consists of a relatively stiff but resilient material and is provided, in a manner known per se, with apertures 2 substantially along the whole of its length.
  • the material may be a metal, such as sheet steel, or a suitable plastic.
  • Extending along the whole length of the sleeve is a slit 3 through which a mortar composition may be introduced into the sleeve.
  • This slit should have such a width that charging with the cement mortar can take place conveniently, and as a rule a slit width corresponding to about one forth of the sleeve circumference will be suitable.
  • the thickness of the material has to be selected so that the sleeve will be self-supporting and will not bend at the same time as the thickness is not allowed to be larger than to enable the sleeve to be pressed together while utilizing the resilient compliance thereof.
  • Sheet steel has a thickness of 0.30.7 mm, for example 0.5 mm, has been tried successfully. The thickness is of course also dependent on the length of the member.
  • the sleeve may be filled with mortar composition and can be used without first being compressed if it is intended to be used in a bore hole of a corresponding diameter.
  • the sleeve member will retain the mortar composition in a horizontal as well as a vertical position also with the slit 3 open.
  • the sleeve may be compressed, for example so that the slit edges 4, 4 meet, or finally, as is seen in FIG. 3, so that one slit edge overlaps the other.
  • a considerable range of diameters may thus be covered by a suitable choice of ductile and resilient material for the sleeve.
  • a sleeve member of a given size may be used for bore holes having diameter within a relatively large range.
  • the assortment of the supplier is thereby reduced. and the stock in hand of the supplier and on the site of application is simplified and made cheaper.
  • the design of the sleeve simplifies the handling thereof on the site of application in filling it with mortar composition and converting it into a complete pack or unit for introduction into the bore hole. This result is obtained by the fact that the sleeve member is filled directly as a unit and assemblage of sleeve halves or sleeve parts is avoided as well as by the fact that a timewasting tieing with wire advantageously can be replaced by quickly mountable fixing rings.
  • the sleeve member in the form of a single integral unit provides increased stiffness in relation to prior structures with separate mating parts.
  • the increased stiffness permits the utilization of thinner sheet metal or materials of a more ductile kind, for example plastics of any suitable class, without any weakened final product, i.e. an apertured sleeve ready for use, resulting therefrom. This circumstance may result in lower material and production costs and lower freight charges.
  • FIG. 4 shows the invention in use, in the same Way as in the above-identified patent.
  • the borehole 6 in the roof of an excavation receives the member 1 encircled by rings and filled with cement mortar 7, after which the roof bolt 8 is inserted which drives mortar 7 through apertures 2 to fill the space between member 1 and the side walls of bore-hole 6 where it hardens.
  • a roof bolt emplaced in a bore-hole comprising a sleeve-shaped member disposed in the bore-hole and having a plurality of apertures therethrough, a bolt extending lengthwise the interior of said sleeve-shaped member, and a quantity of cement mortar surrounding the bolt and extending through said apertures and filling the space between said sleeve-shaped member and the side walls of the bore-hole; the improvement in which the sleeve-shaped .member consists of a relatively rigid by resilient material, the circumferential surface of said member being interrupted by a longitudinal and relatively wide slit which allows the introduction of the cement mortar into the interior of said member and which under the influence of a radial pressure on said member on both sides of the said slit allows a variation of the diameter of the member while maintaining a desired, substantially circular cross-section and an adaptation thereof to bore holes of different sizes, and fixing means surrounding the sleeve-shaped member and maintaining said member compressed to a smaller diameter than when said member is uncom

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Dowels (AREA)
US448043A 1973-03-09 1974-03-04 Apertured sleeve-shaped members for use in carrying out roof-bolting by means of bolts fastened in bore holes Expired - Lifetime US3901039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7303376A SE387700B (sv) 1973-03-09 1973-03-09 Perforerat hylsformigt organ for anvendande vid s.k. bergfestning medelst i borrhal ingjuten bult

Publications (1)

Publication Number Publication Date
US3901039A true US3901039A (en) 1975-08-26

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ID=20316865

Family Applications (1)

Application Number Title Priority Date Filing Date
US448043A Expired - Lifetime US3901039A (en) 1973-03-09 1974-03-04 Apertured sleeve-shaped members for use in carrying out roof-bolting by means of bolts fastened in bore holes

Country Status (10)

Country Link
US (1) US3901039A (cs)
AT (1) AT329487B (cs)
CA (1) CA981071A (cs)
CH (1) CH570540A5 (cs)
DE (1) DE2410772C3 (cs)
FI (1) FI58818C (cs)
FR (1) FR2220667B1 (cs)
IT (1) IT1009243B (cs)
NO (1) NO139649C (cs)
SE (1) SE387700B (cs)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620406A (en) * 1984-07-16 1986-11-04 Hilti Aktiengesellschaft Screen sleeve for use with a hardenable mass for securing an anchoring element
US4664555A (en) * 1985-03-05 1987-05-12 Dyckerhoff & Widmann Aktiengesellschaft Tension member for a rock anchor or the like
US4820095A (en) * 1988-02-26 1989-04-11 Engineered Instruments, Inc. Anchor device for securing rock bolts
US4836729A (en) * 1987-04-13 1989-06-06 Hilti Aktiengesellschaft Anchoring unit for use in structures with internal open spaces
US4930284A (en) * 1987-12-21 1990-06-05 Falco Gene A Masonry anchor
US5483781A (en) * 1994-06-13 1996-01-16 Illinois Tool Works Inc. Construction fastener assembly
US5553436A (en) * 1994-09-16 1996-09-10 Illinois Tool Works Inc. Screen for anchoring a fastener to a hollow block with an adhesive
US20040250497A1 (en) * 2003-06-10 2004-12-16 Simpson Strong-Tie Company, Inc. Connection and method for setting a composite anchor with an apertured screen in a substrate
US20050058522A1 (en) * 2001-12-13 2005-03-17 Realty Products Limited Permanently fixable plug
US20050152768A1 (en) * 2001-02-20 2005-07-14 Turner Intellectual Property Limited Fixing plug
US20090067932A1 (en) * 2005-12-02 2009-03-12 Fox William G Re-tensionable cable bolt apparatus and related method
WO2010036259A1 (en) * 2008-09-25 2010-04-01 Rhino Technologies, Llc Re-tensionable cable bolt apparatus and related method
US20110027019A1 (en) * 2009-08-03 2011-02-03 Fox William G Non-tensionable cable bolt apparatus and related method
AU2007229439B2 (en) * 2001-08-07 2011-03-10 Gazmick Pty Ltd A grouted friction stabiliser
WO2012142982A1 (en) * 2011-04-18 2012-10-26 Ecoraw.Cz S.R.O The anchor for thermally insulating building systems and the way of its anchoring in thermally insulating building systems
JP2013514469A (ja) * 2009-12-18 2013-04-25 フィッシャーヴェルケ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト アンカスリーブ
CZ306878B6 (cs) * 2011-09-13 2017-08-23 Ecoraw.Rdp S.R.O. Kotvicí sestava tepelně - izolačního stavebního kontaktního i bezkontaktního systému a tvarovací přípravek a montážní přípravek pro úpravu kotvicí sestavy

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755831C2 (de) * 1977-12-15 1985-07-04 International Intec Co. Establishment, Vaduz Injektionsanker
DE3115062C2 (de) * 1981-04-14 1986-07-10 Stump Bohr Gmbh, 8045 Ismaning Daueranker
DE3515137A1 (de) * 1985-04-26 1986-11-06 Hilti Ag, Schaan Aufnahmehuelse fuer befestigungselemente
DE3812913A1 (de) * 1988-04-18 1989-10-26 Hilti Ag Duebel mit siebartiger huelse
DE3838880C1 (en) * 1988-11-17 1989-10-12 Bilfinger + Berger Bauaktiengesellschaft, 6800 Mannheim, De Method of producing a grouted anchor, and grouted anchor for carrying out the method
DE59906378D1 (de) 1998-10-05 2003-08-28 Techmo Entw & Vertriebs Gmbh Hüllrohr für eine bohr- und verankerungsvorrichtung
AT412361B (de) * 2002-09-03 2005-01-25 Hammer Rene Verfahren und vorrichtung zum sichern des gebirges und des ausbaus von stollen, tunnels u.dgl.
CZ2010300A3 (cs) * 2010-04-16 2011-10-26 Ecoraw, S.R.O. Rozperka

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982380A (en) * 1910-01-24 1911-01-24 David A Martin Electric-pole stand.
US1673729A (en) * 1926-12-06 1928-06-12 Ned E Barnes Pole, post, and tree protector
US2241343A (en) * 1940-04-04 1941-05-06 Fleaca John Expansion shell for machine bolts
US2682152A (en) * 1950-04-15 1954-06-29 Bierer Joseph Method of and apparatus for reinforcing and supporting mine roofs and the like
US2849866A (en) * 1952-10-18 1958-09-02 Flygare Adolf Fredrik Roof-bolting
US2905282A (en) * 1956-05-14 1959-09-22 Arthur S Miller Collapsible tubular semi-rigid rod
US3139731A (en) * 1959-01-05 1964-07-07 Orval E Liddell Band-type barrier encasement for protecting timbers against marine borer attack
US3699687A (en) * 1969-02-10 1972-10-24 Celtite Sa Arrangements for anchoring supporting pins or bolts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE337455A (cs) * 1925-10-19
GB280987A (en) * 1926-07-24 1927-11-24 John Joseph Rawlings Improvements in metallic wall plugs
US2078473A (en) * 1936-03-20 1937-04-27 John C Truemper Bushing material
DE1055478B (de) * 1955-03-24 1959-04-23 Harry Sigurd Valdemar Jaerund Hilfskoerper fuer das Vergiessen von Ankerbolzen
CH420024A (de) * 1963-03-08 1966-09-15 Fredrik Flygare Adolf Formkörper zum Bilden einer gelochten Hülse oder eines gelochten Rohres

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982380A (en) * 1910-01-24 1911-01-24 David A Martin Electric-pole stand.
US1673729A (en) * 1926-12-06 1928-06-12 Ned E Barnes Pole, post, and tree protector
US2241343A (en) * 1940-04-04 1941-05-06 Fleaca John Expansion shell for machine bolts
US2682152A (en) * 1950-04-15 1954-06-29 Bierer Joseph Method of and apparatus for reinforcing and supporting mine roofs and the like
US2849866A (en) * 1952-10-18 1958-09-02 Flygare Adolf Fredrik Roof-bolting
US2905282A (en) * 1956-05-14 1959-09-22 Arthur S Miller Collapsible tubular semi-rigid rod
US3139731A (en) * 1959-01-05 1964-07-07 Orval E Liddell Band-type barrier encasement for protecting timbers against marine borer attack
US3699687A (en) * 1969-02-10 1972-10-24 Celtite Sa Arrangements for anchoring supporting pins or bolts

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620406A (en) * 1984-07-16 1986-11-04 Hilti Aktiengesellschaft Screen sleeve for use with a hardenable mass for securing an anchoring element
US4664555A (en) * 1985-03-05 1987-05-12 Dyckerhoff & Widmann Aktiengesellschaft Tension member for a rock anchor or the like
US4836729A (en) * 1987-04-13 1989-06-06 Hilti Aktiengesellschaft Anchoring unit for use in structures with internal open spaces
US4930284A (en) * 1987-12-21 1990-06-05 Falco Gene A Masonry anchor
US4820095A (en) * 1988-02-26 1989-04-11 Engineered Instruments, Inc. Anchor device for securing rock bolts
US5483781A (en) * 1994-06-13 1996-01-16 Illinois Tool Works Inc. Construction fastener assembly
US5553436A (en) * 1994-09-16 1996-09-10 Illinois Tool Works Inc. Screen for anchoring a fastener to a hollow block with an adhesive
US5632839A (en) * 1994-09-16 1997-05-27 Illinois Tool Works Inc. Method of making a screen for anchoring a fastener to a hollow block with an adhesive
US20050152768A1 (en) * 2001-02-20 2005-07-14 Turner Intellectual Property Limited Fixing plug
AU2007229439B2 (en) * 2001-08-07 2011-03-10 Gazmick Pty Ltd A grouted friction stabiliser
US20050058522A1 (en) * 2001-12-13 2005-03-17 Realty Products Limited Permanently fixable plug
US6837018B1 (en) 2003-06-10 2005-01-04 Simpson Strong-Tie Company, Inc. Connection and method for setting a composite anchor with an apertured screen in a substrate
US20040250497A1 (en) * 2003-06-10 2004-12-16 Simpson Strong-Tie Company, Inc. Connection and method for setting a composite anchor with an apertured screen in a substrate
US20090067932A1 (en) * 2005-12-02 2009-03-12 Fox William G Re-tensionable cable bolt apparatus and related method
US7896581B2 (en) 2005-12-02 2011-03-01 Rhino Technologies Llc Re-tensionable cable bolt apparatus and related method
WO2010036259A1 (en) * 2008-09-25 2010-04-01 Rhino Technologies, Llc Re-tensionable cable bolt apparatus and related method
US20110027019A1 (en) * 2009-08-03 2011-02-03 Fox William G Non-tensionable cable bolt apparatus and related method
US8550751B2 (en) 2009-08-03 2013-10-08 Dsi Underground Systems, Inc. Non-tensionable cable bolt apparatus and related method
JP2013514469A (ja) * 2009-12-18 2013-04-25 フィッシャーヴェルケ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト アンカスリーブ
WO2012142982A1 (en) * 2011-04-18 2012-10-26 Ecoraw.Cz S.R.O The anchor for thermally insulating building systems and the way of its anchoring in thermally insulating building systems
CZ308391B6 (cs) * 2011-04-18 2020-07-15 Ecoraw.Rdp S.R.O. Kotva pro tepelně izolační stavební systémy a způsob jejího ukotvení v tepelně izolačních stavebních systémech
CZ306878B6 (cs) * 2011-09-13 2017-08-23 Ecoraw.Rdp S.R.O. Kotvicí sestava tepelně - izolačního stavebního kontaktního i bezkontaktního systému a tvarovací přípravek a montážní přípravek pro úpravu kotvicí sestavy

Also Published As

Publication number Publication date
CA981071A (en) 1976-01-06
NO139649B (no) 1979-01-08
AT329487B (de) 1976-05-10
DE2410772A1 (de) 1974-09-12
ATA193874A (de) 1975-08-15
IT1009243B (it) 1976-12-10
FR2220667A1 (cs) 1974-10-04
SE387700B (sv) 1976-09-13
FI58818B (fi) 1980-12-31
NO740831L (no) 1974-09-10
FR2220667B1 (cs) 1981-01-02
DE2410772B2 (de) 1981-07-09
FI58818C (fi) 1981-04-10
NO139649C (no) 1979-04-18
CH570540A5 (cs) 1975-12-15
DE2410772C3 (de) 1985-07-11

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